标签：editor params reference state bitmap shared name change visible
这三天主要写了设置页，主要写了设置书签和设置背景页面
详细代码：
package com.imooc.book;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.text.TextUtils;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.SeekBar;
import android.widget.TextView;
import com.imooc.book.view.BookPageBezierHelper;
import com.imooc.book.view.BookPageView;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
public class BookActivity extends AppCompatActivity {
public static final String FILE_PATH = "file_path";
public static final String IMOOC_PREFERENCE_BOOK_PROGRESS_NAME = "imooc_preference_book_progress";
public static final String BOOKMARK = "bookmark";
private BookPageView mBookPageView;
private TextView mProgressTextView;
private View mSettingView;
private RecyclerView mRecyclerView;
private static final String TAG = "BookActivity";
private int mCurrentLength;
private BookPageBezierHelper mHelper;
private Bitmap mCurrentPageBitmap;
private Bitmap mNextPageBitmap;
private String mFilePath;
private int mWidth;
private int mHeight;
private int mLastLength;
private TextToSpeech mTTS;
private SeekBar mSeekBar;
private int mTotalLength;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// fullscreen
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
}
setContentView(R.layout.activity_book);
if (getIntent() != null) {
mFilePath = getIntent().getStringExtra(FILE_PATH);
if(!TextUtils.isEmpty(mFilePath)){
mTotalLength = (int) new File(mFilePath).length();
}
} else {
// todo can not find the book path
}
// init view
mBookPageView = (BookPageView) findViewById(R.id.book_page_view);
mProgressTextView = (TextView) findViewById(R.id.progress_text_view);
mSettingView = findViewById(R.id.setting_view);
mRecyclerView = (RecyclerView) findViewById(R.id.settingRecyclerView);
mSeekBar = (SeekBar) findViewById(R.id.seekBar);
// get Size
DisplayMetrics displayMetrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
mWidth = displayMetrics.widthPixels;
mHeight = displayMetrics.heightPixels;
openBookByProgress(R.drawable.book_bg, 0);
//set progress
mHelper.setOnProgressChangedListener(new BookPageBezierHelper.OnProgressChangedListener() {
@Override
public void setProgress(int currentLength, int totalLength) {
mCurrentLength = currentLength;
float progress = mCurrentLength * 100 / totalLength;
mProgressTextView.setText(String.format("%s%%", progress));
}
});
// set user setting view listener.
mBookPageView.setOnUserNeedSettingListener(new BookPageView.OnUserNeedSettingListener() {
@Override
public void onUserNeedSetting() {
mSettingView.setVisibility(mSettingView.getVisibility() == View.VISIBLE
? View.GONE : View.VISIBLE);
}
});
// set recyclerView data.
List<String> settingList = new ArrayList<>();
settingList.add("添加书签");
settingList.add("读取书签");
settingList.add("设置背景");
settingList.add("语音朗读");
settingList.add("跳转进度");
LinearLayoutManager layoutManager = new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false);
mRecyclerView.setLayoutManager(layoutManager);
mRecyclerView.setAdapter(new HorizontalAdapter(this, settingList));
mSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int i, boolean b) {
openBookByProgress(R.drawable.book_bg, seekBar.getProgress()* mTotalLength /100);
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
openBookByProgress(R.drawable.book_bg, seekBar.getProgress()* mTotalLength /100);
}
});
}
private void openBookByProgress(int backgroundResourceID, int progress) {
// set book helper
mHelper = new BookPageBezierHelper(mWidth, mHeight, progress);
mBookPageView.setBookPageBezierHelper(mHelper);
// current page , next page
mCurrentPageBitmap = Bitmap.createBitmap(mWidth, mHeight, Bitmap.Config.ARGB_8888);
mNextPageBitmap = Bitmap.createBitmap(mWidth, mHeight, Bitmap.Config.ARGB_8888);
mBookPageView.setBitmaps(mCurrentPageBitmap, mNextPageBitmap);
// set background
mHelper.setBackground(this, backgroundResourceID);
// open book
if (!TextUtils.isEmpty(mFilePath)) {
try {
mHelper.openBook(mFilePath);
mHelper.draw(new Canvas(mCurrentPageBitmap));
mBookPageView.invalidate();
} catch (IOException e) {
e.printStackTrace();
// todo can not find the book path
}
} else {
// todo can not find the book path
}
}
public static void start(Context context, String filePath) {
Intent intent = new Intent(context, BookActivity.class);
intent.putExtra(FILE_PATH, filePath);
context.startActivity(intent);
}
private class HorizontalAdapter extends RecyclerView.Adapter {
private Context mContext;
private List<String> mData = new ArrayList<>();
public HorizontalAdapter(Context context, List<String> list) {
mContext = context;
mData = list;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
TextView itemView = new TextView(mContext);
return new ViewHolder(itemView);
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {
TextView textView = (TextView) holder.itemView;
textView.setWidth(240);
textView.setHeight(180);
textView.setTextSize(16);
textView.setTextColor(Color.WHITE);
textView.setGravity(Gravity.CENTER);
textView.setText(mData.get(position));
final SharedPreferences sharedPreferences =
mContext.getSharedPreferences("imooc_book_preference", MODE_PRIVATE);
final SharedPreferences.Editor editor = sharedPreferences.edit();
textView.setOnClickListener(new View.OnClickListener() {
@SuppressLint("NewApi")
@Override
public void onClick(View view) {
switch (position) {
case 0:
// add bookmark
// get progress
// save progress to preference.
editor.putInt(BOOKMARK, mCurrentLength);
editor.apply();
break;
case 1:
// get bookmark from preference.
// reload book to the progress.
mLastLength = sharedPreferences.getInt(BOOKMARK, 0);
openBookByProgress(R.drawable.book_bg, mLastLength);
break;
case 2:
openBookByProgress(R.drawable.book_bg2, mLastLength);
break;
case 3:
if (mTTS == null) {
mTTS = new TextToSpeech(mContext, new TextToSpeech.OnInitListener() {
@Override
public void onInit(int status) {
if (status == TextToSpeech.SUCCESS) {
int result = mTTS.setLanguage(Locale.CHINA);
if (result == TextToSpeech.LANG_MISSING_DATA
|| result == TextToSpeech.LANG_NOT_SUPPORTED) {
Log.e(TAG, "onInit: language is not available.");
Uri uri = Uri.parse("http://acj2.pc6.com/pc6_soure/2017-6/com.iflytek.vflynote_208.apk");
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
startActivity(intent);
} else {
Log.i(TAG, "onInit: init success.");
mTTS.speak(mHelper.getCurrentPageContent(), TextToSpeech.QUEUE_FLUSH, null);
}
} else {
Log.e(TAG, "onInit: error");
}
}
});
} else {
if (mTTS.isSpeaking()) {
mTTS.stop();
} else {
mTTS.speak(mHelper.getCurrentPageContent(), TextToSpeech.QUEUE_FLUSH, null);
}
}
break;
case 4:
mSeekBar.setVisibility(View.VISIBLE);
break;
}
}
});
}
@Override
public int getItemCount() {
return mData.size();
}
public class ViewHolder extends RecyclerView.ViewHolder {
private TextView mTextView;
public ViewHolder(TextView itemView) {
super(itemView);
mTextView = itemView;
}
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if(mTTS != null){
mTTS.shutdown();
}
}
}
标签：editor params reference state bitmap shared name change visible
原文地址：https://www.cnblogs.com/deepend/p/12733400.html
